Panasonic PT-44LCX65-K Service Manual

Also see for PT-44LCX65-K: Operating instructions

Contents

THE SCREEN UNIT AND THE MIRROR- THE SCREEN UNIT (Lenticular Screen, Fresnel Lens)It is strongly recommended that the Lenticular Screen surface(outside) and the Fresnel Lens surface (inside) should bewiped gently with a clean, soft, dry cloth to remove the dirt.Note:1. If the dirt cannot be removed by wiping with a clean, soft, drycloth, use a clean, soft, dry cloth moistened with dilutedneutral pH liquid cleanser or a lens cleaner (usuallycontaining a small amount of ethyl alcohol) and wipe lightly.Take care not to leave any streaks.Do not use cleaning materials containing methyl alcohol,acetone, or dichloromethane.2. Use an air blower to clean the inner surface of the LenticularScreen and the outer surface of the Fresnel Lens (thesurfaces that one another). These surfaces must not bewiped with a cloth.- THE MIRRORRemove any dirt with an air blower or wipe with a clean, soft,dry cloth. If wiped too forcefully, the surface of the Mirror canbe damaged. If wiping with a clean, dry cloth does not removethe dirt, the Mirror must be replaced.Fig. 6-1THE PROJECTION LENSUse lens cleaning paper and cleaner available at your localcamera shop, etc. Dampen the cleaning paper with cleanerand gently wipe the surface of the lens from the center outwardto remove dust.Fig. 6-4LensCLEANING METHODTHE LAMPGently wipe the surface of the glass of the Lamp with cleaningpaper or soft cloth.THE FILTER ON THE PROJECTION UNITCAUTION:Operating with torn or damaged Air Filter may cause damageto the Projection unit.Remove the Projection Unit from rear. Then, clean the filters onthe Projection Unit. Gently remove any accumulated dust fromfilter with a vacuum cleaner.Fig. 6-3THE POLARIZER UNIT, THE FIELD LENS, THE RELAYLENS, THE CONDENSER LENS, THE DICHROICMIRROR, THE FULL MIRRORS, THE INTEGRATOR ANDTHE P/S CONVERTERMake sure that no dust gets on the optical components such asthe Polarizer Unit, the Field Lens, the Relay Lens, the CondenserLens, the Dichroic Mirror, the Full Mirrors, the Integrator andthe P/S Converter. Clean these optical components withcleaning paper moistened with pure ethyl alcohol or a lenscleaner which contains no water or oil.THE LCD PANEL OF THE LCD/PRISM UNIT1) Clean the surface of the LCD Panel of the LCD/Prism Unitwith an air blower or wipe with a clean, or soft blush lightly.2) If any dirt remains, lightly wipe the surface with a cottonswab moistened with pure ethyl alcohol or a lens cleanerwhich contains no water or oil. Use a new swab after eachwiping so that dirt will not be re-deposited on the surface.Surface of glassFig. 6-2Air FilterAir FilterAir FilterLenticular Screen surface(outside)Screen UnitMirrorFresnel Lens surface(inside)PT-44LCX65-K / PT-52LCX65-K / PT-61LCX65-K14